Merge "Deprecating libvendorsupport_llndk_headers" into main am: 2a5bef2e98

Original change: https://android-review.googlesource.com/c/platform/system/core/+/3337493

Change-Id: Iccfcdd698dfe8cc2921333b0c0eb64ce34efef10
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>